20489750820

Names of 20489750820

• Cardinal: 20489750820 can be written as Twenty billion, four hundred eighty-nine million, seven hundred fifty thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 2.048975082 × 10¹⁰

Factors of 20489750820

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 187

Divisors of 20489750820

• Number of divisors d(n): 1152
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 11 12 14 15 17 18 20 21 22 27 28 30 33 34 35 36 41 42 44 45 49 51 54 55 60 63 66 68 70 77 82 84 85 90 98 99 101 102 105 108 110 119 123 126 132 135 140 147 153 154 164 165 170 180 187 189 196 198 202 204 205 210 220 231 238 245 246 252 255 270 287 294 297 303 306 308 315 330 340 357 369 374 378 385 396 404 410 420 441 451 459 462 476 490 492 495 505 510 539 540 561 574 588 594 595 606 612 615 630 660 693 697 707 714 735 738 748 756 765 770 820 833 861 882 902 909 918 924 935 945 980 990 1010 1020 1071 1078 1107 1111 1122 1148 1155 1188 1190 1212 1230 1260 1309 1323 1353 1386 1394 1414 1428 1435 1470 1476 1485 1515 1530 1540 1617 1666 1683 1717 1722 1764 1785 1804 1818 1836 1845 1870 1890 1980 2009 2020 2079 2091 2121 2142 2156 2205 2214 2222 2244 2255 2295 2310 2380 2460 2499 2583 2618 2646 2695 2706 2727 2772 2788 2805 2828 2870 2940 2970 3030 3060 3157 3213 3234 3332 3333 3366 3434 3444 3465 3485 3535 3570 3636 3690 3740 3780 3927 4018 4059 4141 4158 4165 4182 4242 4284 4305 4410 4428 4444 4510 4545 4590 4620 4851 4879 4949 4998 5049 5151 5166 5236 5292 5355 5390 5412 5454 5535 5555 5610 5740 5940 6027 6060 6273 6314 6363 6426 6468 6545 6615 6666 6732 6765 6868 6930 6970 7070 7140 7380 7497 7667 7749 7777 7854 8036 8085 8118 8282 8316 8330 8364 8415 8484 8585 8610 8820 9020 9090 9163 9180 9471 9702 9758 9898 9996 9999 10045 10098 10302 10332 10395 10455 10605 10710 10780 10908 11070 11110 11220 11781 12019 12054 12177 12423 12495 12546 12628 12726 12852 12915 13090 13230 13332 13530 13635 13860 13940 14140 14553 14637 14847 14994 15334 15453 15498 15554 15708 15785 16065 16170 16236 16564 16660 16665 16830 17170 17220 18081 18180 18326 18819 18887 18942 19089 19404 19516 19635 19796 19998 20090 20196 20295 20604 20705 20790 20910 21210 21420 22099 22140 22220 22491 23001 23331 23562 24038 24108 24255 24354 24395 24745 24846 24990 25092 25245 25452 25755 25830 26180 26460 27060 27270 27489 28413 28987 29106 29274 29694 29988 29997 30135 30668 30906 30996 31108 31365 31570 31815 32130 32340 33330 33660 34153 34340 35343 36057 36162 36652 37269 37485 37638 37774 37884 38178 38335 38745 38885 39270 39996 40180 40590 41410 41580 41820 42420 43911 44198 44541 44982 45551 45815 46002 46359 46662 47124 47355 48076 48510 48708 48790 49490 49692 49980 49995 50490 51510 51660 53669 54243 54439 54540 54978 56661 56826 57974 58212 58548 58905 59388 59994 60095 60270 60885 61812 62115 62730 63140 63630 64260 66297 66660 68306 69003 69993 70397 70686 72114 72324 72765 73185 74235 74538 74970 75276 75548 76356 76670 77265 77490 77770 78540 81180 82467 82820 84133 85239 86961 87822 88396 89082 89964 90405 91102 91630 92004 92718 93324 94095 94435 94710 95445 97020 97580 98980 99990 100980 102459 103020 107338 108171 108486 108878 109956 110495 111807 112455 113322 113652 115005 115948 116655 117810 119988 120190 120540 121770 124230 125460 127260 131733 132209 132594 133623 136612 136653 137445 138006 139986 140794 141372 142065 144228 144935 145530 146370 148470 149076 149940 149985 153340 154530 154980 155540 161007 163317 164934 168266 169983 170478 170765 173922 175644 176715 178164 180285 180810 182204 183260 185436 186345 188190 188870 189420 190890 198891 199980 202909 204918 207009 209979 211191 214676 216342 216972 217756 219555 220990 222705 223614 224910 226644 227755 230010 231795 233310 235620 240380 243540 247401 248460 252399 260883 263466 264418 265188 267246 268345 271215 272195 273306 274890 276012 279972 281588 283305 284130 289870 291060 292740 296940 299970 307377 309060 318857 322014 324513 326634 329868 331485 336532 339966 340956 341530 345015 347844 349965 351985 353430 360570 361620 372690 375683 376380 377740 381780 396627 397782 405818 409836 409959 412335 414018 419958 420665 422382 426195 432684 434805 439110 441980 445410 447228 449820 455510 460020 463590 466620 483021 489951 492779 494802 504798 509949 512295 521766 526932 528836 534492 536690 540855 542430 544390 546612 549780 559035 566610 568260 579740 596673 599940 608727 614754 633573 637714 644028 649026 653268 658665 661045 662970 668115 679932 683060 683265 690030 699930 703970 706860 721140 745380 751366 757197 774367 782649 793254 795564 805035 811636 816585 819918 824670 828036 839916 841330 844764 849915 852390 869610 878220 890820 911020 922131 925463 927180 956571 966042 979902 985558 989604 994455 1009596 1014545 1019898 1024590 1035045 1043532 1049895 1055955 1073380 1081710 1084860 1088780 1118070 1127049 1133220 1189881 1193346 1217454 1229508 1229877 1237005 1261995 1267146 1275428 1298052 1304415 1317330 1322090 1325940 1336230 1366530 1380060 1399860 1407940 1449063 1469853 1478337 1502732 1514394 1536885 1548734 1565298 1586508 1594285 1610070 1622565 1633170 1639836 1649340 1682660 1699830 1704780 1739220 1826181 1844262 1850926 1878415 1900719 1913142 1932084 1959804 1971116 1983135 1988910 2029090 2039796 2049180 2049795 2070090 2099790 2111910 2163420 2231999 2236140 2254098 2271591 2323101 2379762 2386692 2415105 2434908 2449755 2459754 2463895 2474010 2523990 2534292 2549745 2608830 2634660 2644180 2672460 2733060 2776389 2869713 2898126 2939706 2956674 2983365 3028788 3043635 3073770 3097468 3130596 3167865 3188570 3220140 3245130 3266340 3381147 3399660 3449453 3569643 3652362 3688524 3701852 3756830 3785985 3801438 3826284 3871835 3913245 3966270 3977820 4058180 4099590 4140180 4199580 4223820 4435011 4463998 4508196 4543182 4610655 4627315 4646202 4759524 4782855 4830210 4899510 4919508 4927790 4948020 5047980 5099490 5217660 5420569 5478543 5552778 5635245 5739426 5796252 5879412 5913348 5949405 5966730 6087270 6147540 6149385 6335730 6377140 6490260 6695997 6762294 6898906 6969303 7139286 7245315 7304724 7349265 7391685 7513660 7571970 7602876 7743670 7826490 7932540 8199180 8329167 8609139 8870022 8927996 9086364 9130905 9221310 9254630 9292404 9503595 9565710 9660420 9799020 9855580 10143441 10198980 10348359 10841138 10957086 11105556 11159995 11270490 11357955 11478852 11615505 11898810 11933460 12174540 12298770 12671460 13305033 13391994 13524588 13797812 13881945 13938606 14278572 14348565 14490630 14698530 14783370 15143940 15487340 15652980 16261707 16658334 16905735 17218278 17247265 17740044 17848215 18261810 18442620 18509260 19007190 19131420 20087991 20286882 20696718 20907909 21682276 21914172 22175055 22319990 22540980 22715910 23231010 23797620 24597540 24987501 26610066 26783988 27102845 27392715 27763890 27877212 28697130 28981260 29397060 29566740 31045077 32523414 33316668 33479985 33811470 34436556 34494530 34846515 35696430 36523620 37943983 38014380 40175982 40573764 41393436 41645835 41815818 43045695 44350110 44639980 45431820 46462020 48785121 49975002 50717205 51741795 53220132 54205690 54785430 55527780 57394260 60263973 62090154 65046828 66525165 66959970 67622940 68989060 69693030 71392860 75887966 80351964 81308535 83291670 83631636 86091390 88700220 93135231 97570242 99950004 100439955 101434410 103483590 104539545 108411380 109570860 113831949 120527946 124180308 124937505 133050330 133919940 139386060 146355363 151775932 155225385 162617070 166583340 172182780 186270462 189719915 195140484 200879910 202868820 206967180 209079090 227663898 241055892 243925605 249875010 266100660 292710726 301319865 310450770 325234140 341495847 372540924 379439830 401759820 418158180 455327796 465676155 487851210 499750020 569159745 585421452 602639730 620901540 682991694 731776815 758879660 931352310 975702420 1024487541 1138319490 1205279460 1365983388 1463553630 1707479235 1862704620 2048975082 2276638980 2927107260 3414958470 4097950164 5122437705 6829916940 10244875410 20489750820
• Sum of all divisors σ(n): 88610941440
• Sum of proper divisors (its aliquot sum) s(n): 68121190620
• 20489750820 is an abundant number, because the sum of its proper divisors (68121190620) is greater than itself. Its abundance is 47631439800

Bases of 20489750820

• Binary: 10011000101010010001100100100100100₂
• Hexadecimal: 0x4C548C924
• Base-36: 9EV2GX0

Squares and roots of 20489750820

• 20489750820 squared (20489750820²) is 419829888665690672400
• 20489750820 cubed (20489750820³) is 8602209805548344160674251368000
• The square root of 20489750820 is 143142.4144689477
• The cube root of 20489750820 is 2736.3956558849

Scales and comparisons

• 20,489,750,820 seconds is equal to 651 years, 26 weeks, 3 days, 21 hours, 27 minutes.
• To count from 1 to 20,489,750,820 would take you about one thousand, three hundred three years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 20489750820 cubic inches would be around 228 feet tall.

Recreational maths with 20489750820

• 20489750820 backwards is 02805798402
• 20489750820 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20489750820's digits is 45
• More coming soon!